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Desmos Graphing Calculator is a powerful and fast math engine that allows users to graph functions, plot points, visualize algebraic equations, add sliders, and animate graphs for free. It is accessible via smartphones, tablets, or any other connected device, and offers a user-friendly interface and live graphing updates. Desmos provides tutorials and videos to help students and teachers become familiar with the calculator. Created by Eli Luberoff, a math and physics double major from Yale University, Desmos Graphing Calculator was launched as a startup at TechCrunch's Disrupt New York conference in 2011. It is more advanced than other graphing calculators such as the TI-84.